/*
 * @Author: your name
 * @Date: 2020-12-30 09:36:44
 * @LastEditTime: 2021-10-01 00:38:14
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \node-server\app.js
 */
var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var ejs = require('ejs'); //html模板引擎解析
var app = express();
const myRouter = require('./routes')
    // 解决跨域
    //设置允许跨域访问该服务.
app.use(require('cors')())
    // 配置Express 视图引擎 允许为html文件
app.engine('html', ejs.__express);
//视图引擎全局变量
app.set('view engine', 'html')
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());

//挂载路由
app.get('/', (req, res, next) => {
    const ip_info = req.headers || req.socket.remoteAddress;
    res.send("欢迎 : " + ip_info.host)
        // res.render(path.resolve(__dirname, './views/index.html'))
})

myRouter(app) //挂载路由

//使用静态资源文件目录  不写前缀就是根路径
app.use('/public', express.static(path.join(__dirname, 'public')));
app.use('/admin/static', express.static(path.join(__dirname, '/views/admin/static')));
app.use('/web/static', express.static(path.join(__dirname, '/views/web/static')));
// catch 404 and forward to error handler
app.use(function(req, res, next) {
    res.render(path.resolve(__dirname, './views/404.html'))
    next(createError(404));
});
// error handler
app.use(function(err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};
    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

module.exports = app;